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Journal

Kansas Agricultural Experiment Station Research Reports

1991

Animal Sciences

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Articles 91 - 103 of 103

Full-Text Articles in Life Sciences

Effects Of A Grind & Mix High Nutrient Density Diet On Starter Pig Performance (1991), Frank Blecha, D N. Reddy, C G. Chitko-Mckown, M M. Chengappa, D S. Mcvey, Robert D. Goodband, Jim L. Nelssen Jan 1991

Effects Of A Grind & Mix High Nutrient Density Diet On Starter Pig Performance (1991), Frank Blecha, D N. Reddy, C G. Chitko-Mckown, M M. Chengappa, D S. Mcvey, Robert D. Goodband, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Two 4-wk growth trials utilizing 520, 21-d old weanling pigs (22 ± 2 d and 13.7 lb) were conducted to evaluate either grind & mix (meal form) or pelleted high nutrient density diets on growth performance. One half of the pigs were fed a standard (20% dried whey and 10% plasma protein) high nutrient density diet (HNDD1) either in a pelleted or meal form. The other half received a high nutrient density diet (HNDD2; either pelleted or meal form) formulated with ingredients having greater flowability characteristics in order to determine if pelleting is necessary for pigs fed high nutrient density …


Ksu Swine Enterprise Record Program (1991), Michael R. Langemeier, Robert D. Goodband, Michael D. Tokach Jan 1991

Ksu Swine Enterprise Record Program (1991), Michael R. Langemeier, Robert D. Goodband, Michael D. Tokach

Kansas Agricultural Experiment Station Research Reports

On January 1, 1991, a enterprise record program was implemented on 13 swine operations in Kansas. The program evaluates economic criteria in the areas of variable and fixed costs, labor, marketing, and production and is conducted in cooperation with extension specialists and swine producers in Kansas, Nebraska, and South Dakota. Every six months, producers' records are summarized, and the data are pooled to form state and regional averages. This data base is then divided into the top, middle)and bottom third of producers based solely on profit per cwt. of pork produced. This summary allows producers to compare their individual records …


Ksu Lean Gain Assessment Program (1991), G L. Keeler, Michael D. Tokach, Jim L. Nelssen, Robert D. Goodband Jan 1991

Ksu Lean Gain Assessment Program (1991), G L. Keeler, Michael D. Tokach, Jim L. Nelssen, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

KSU Lean Gain Assessment is a new program developed at Kansas State University to allow producers to assess the actual lean gain of their pigs under normal farm conditions. The procedure is inexpensive and relatively simple and provides information that will assist producers in monitoring their genetic progress. Additionally, farm-specific diets can be formulated to match nutrient levels with the actual genetic potential of pigs on an individual farm.; Swine Day, Manhattan, KS, November 21. 1991


Effects Of Supplementation Of Nursery Diets With An Essential Fatty Acid On Immunity In Artificially Reared Pigs (1991), D S. Mcvey, G S. Elliot, G A. Kennedy, M M. Chengappa, N V. Anderson, D A. Schoneweis, M M. Hervey, S M. Cowan, Joe D. Hancock Jan 1991

Effects Of Supplementation Of Nursery Diets With An Essential Fatty Acid On Immunity In Artificially Reared Pigs (1991), D S. Mcvey, G S. Elliot, G A. Kennedy, M M. Chengappa, N V. Anderson, D A. Schoneweis, M M. Hervey, S M. Cowan, Joe D. Hancock

Kansas Agricultural Experiment Station Research Reports

Twenty four pigs were weaned immediately at farrowing, reared artificially for 21 d, and then used in a 35-d nursery experiment to determine the effects of essential fatty acid deficiency on immune function. Treatments were: 1) a semi-purified diet deficient in essential fatty acids and 2) diet 1 with 2% added linoleic acid. Conversion of linoleic acid to linolenic and then arachidonic acid is a normal step in fatty acid metabolism. Metabolites of arachidonic acid are thought to have a role in mediating immune function. On d 28 of the experiment, pigs were orally dosed with Salmonella choleraesuis to challenge …


Evaluation Of Porcine Blood Meal And Plasma Bovine Plasma, And Meat Extract As Replacement Protein Sources For Dried Skim Milk In Starter Swine Diets (1991), J A. Hansen, Jim L. Nelssen, Robert D. Goodband Jan 1991

Evaluation Of Porcine Blood Meal And Plasma Bovine Plasma, And Meat Extract As Replacement Protein Sources For Dried Skim Milk In Starter Swine Diets (1991), J A. Hansen, Jim L. Nelssen, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

One-hundred fifty pigs averaging 21 ± 2 d of age were utilized in a 35 d growth assay to determine the efficacy of replacing the dried skim milk portion of a high nutrient-dense diet with four commercially available animal blood or meat co-products. Pigs were blocked by weight and allotted by ancestry and sex to provide six pens (five pigs/pen) per dietary treatment. Diets were randomly assigned within blocks to provide six replicate pens per treatment. The basal diet was formulated using a corn-soybean meal mixture with 20% dried skim milk and 20% dried whey to contain 1.40% lysine, 1.0% …


Effects Of Porcine Somatotropin Administration And Its Duration On Growth Performance And Carcass Characteristics Of Finishing Swine Fed To 280 Lb (1991), M E. Johnston, B R. Schricker, Jim L. Nelssen, Robert D. Goodband, Robert H. Hines, Donald H. Kropf Jan 1991

Effects Of Porcine Somatotropin Administration And Its Duration On Growth Performance And Carcass Characteristics Of Finishing Swine Fed To 280 Lb (1991), M E. Johnston, B R. Schricker, Jim L. Nelssen, Robert D. Goodband, Robert H. Hines, Donald H. Kropf

Kansas Agricultural Experiment Station Research Reports

One hundred eight barrows with an initial weight of 120 lb were utilized to determine the effects of porcine somatotropin (PST) administration period and duration on growth performance and carcass characteristics of finishing swine fed to 280 lb. Pigs were injected daily in the extensor muscle of the neck with either a placebo or 4 mg pST. Treatments included: (A) placebo injection from 120 to 280 lb; (B) pST injection from 120 to 280 lb; (C) pST injection from 120 to 230 lb and then placebo injection from 230 to 280 lb; (D) placebo injection from 120 to 230 lb …


Effects Of Porcine Somatotropin And Dietary Phosphorus On Growth And Bone Criteria In Gilts (1991), T L. Weeden, G E. Fitzner, J A. Hansen, K G. Friesen, M E. Johnston, B R. Schricker, Jim L. Nelssen, Robert D. Goodband Jan 1991

Effects Of Porcine Somatotropin And Dietary Phosphorus On Growth And Bone Criteria In Gilts (1991), T L. Weeden, G E. Fitzner, J A. Hansen, K G. Friesen, M E. Johnston, B R. Schricker, Jim L. Nelssen, Robert D. Goodband

Kansas Agricultural Experiment Station Research Reports

One hundred-eight gilts with an average initial wt of 129 lb were utilized to determine the effects of porcine somatotropin (pST) and dietary phosphorus on growth performance and bone mineralization and mechanical properties during the finishing phase (129 to 230 lb) and a 35 d post-finishing phase. Gilts were injected daily with placebo (control) or 4 mg pST and fed diets containing .4, .8, or 1.2% P during the finishing phase. Administration of pST improved F/G 18%, increased ADG 8%, and decreased daily feed intake 9%. There was a quadratic response to P, because gilts receiving the .8% P diet …


The Effect Of Soy Products With Or Without Moist Extrusion On Starter Pig Performance (1991), K G. Friesen, J A. Hansen, Jim L. Nelssen, Robert D. Goodband, Keith C. Behnke Jan 1991

The Effect Of Soy Products With Or Without Moist Extrusion On Starter Pig Performance (1991), K G. Friesen, J A. Hansen, Jim L. Nelssen, Robert D. Goodband, Keith C. Behnke

Kansas Agricultural Experiment Station Research Reports

One hundred and seventy pigs, averaging 11.88 lb and 21 d of age, were utilized in a 35 d experiment evaluating the effect of moist extrusion of soy products on growth performance and nutrient digestibility. Pigs were fed one of seven experimental diets for the first 14 d of the trial. A diet containing all milk protein served as a control. Comparisons were made between pigs fed the milk control diet and diets containing either defatted soy flakes, soy protein concentrate, or experimental soy protein concentrate. Treatments consisted of: 1) 20% dried skim milk, 20% dried whey; 2 and 3) …


The Effects Of An "Ideal Protein" Lactation Diet On Sow And Litter Performance (1991), J L. Laurin, J A. Hansen, R D. Richards, C E. Huffman, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen Jan 1991

The Effects Of An "Ideal Protein" Lactation Diet On Sow And Litter Performance (1991), J L. Laurin, J A. Hansen, R D. Richards, C E. Huffman, Michael D. Tokach, Robert D. Goodband, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Four hundred lactating sows were used to determine the influence of an ideal protein lactation diet on sow productivity. Sows were fed either a 15.8% crude protein, corn soybean meal, control diet or a 12.6% protein diet supplemented with synthetic amino acids to a 15.8% crude protein equivalent. Lactation diet had no influence on litter weaning wt (114.5 vs 114.7 lb), daily feed intake (12.5 vs 12.7 lb), pig survivability (92.3 vs 93.1 %), or sow backfat loss (.11 vs .12 in). However, sows fed the ideal protein diet lost more weight than sows fed the control diet (18.6 vs …


The Influence Of Dietary Threonine On Growth Performance And Carcass Characteristics Of Pst-Treated Finishing Pigs (1991), J L. Laurin, J A. Hansen, B R. Schricker, Robert D. Goodband, Jim L. Nelssen Jan 1991

The Influence Of Dietary Threonine On Growth Performance And Carcass Characteristics Of Pst-Treated Finishing Pigs (1991), J L. Laurin, J A. Hansen, B R. Schricker, Robert D. Goodband, Jim L. Nelssen

Kansas Agricultural Experiment Station Research Reports

Eighty crossbred barrows (initial wt = 131 lb) were utilized to determine the dietary threonine requirement of finishing pigs injected with porcine somatotropin (PST). Barrows were injected daily in the extensor muscle of the neck with either 4 mg pST or a placebo and fed diets containing either .45, .55, .65, or .75% threonine. All other amino acids, vitamins, and minerals were calculated to be at least double current requirements for finishing pigs so as not to limit performance. Pigs were housed in an open-sided building with two pigs per pen and five replications of the eight treatments. Feed and …


Effect Of Fat Source And Level On Finishing Pig Performance (1991), David A. Nichols, Joe D. Hancock, Jim L. Nelssen, Robert H. Hines, Donald H. Kropf Jan 1991

Effect Of Fat Source And Level On Finishing Pig Performance (1991), David A. Nichols, Joe D. Hancock, Jim L. Nelssen, Robert H. Hines, Donald H. Kropf

Kansas Agricultural Experiment Station Research Reports

Two hundred and forty finishing pigs were utilized to evaluate the effect of fat source and level on growing pig performance and carcass characteristics. Pigs were fed a milo-soybean meal diet balanced on a constant energy:lysine and energy:protein ratio. Dietary treatments were: 1) control; 2,3,4) 2.5, 5.0, or 7.5% added soybean oil; 5 and 6) 5.0 or 7.5% added tallow. In comparing pigs fed soybean oil to tallow, there were no significant effects on feed intake, average daily gain, or feed to gain ratio. Soybean oil additions compared to tallow resulted in carcasses with significantly more average backfat as well …


Effects Of Pelleting Low-Lysine Diets With Fermentation Products For Weanling Pigs (1991), Joe D. Hancock, Daniel Y.C. Fung, R A. Hart, M T. Manninen Jan 1991

Effects Of Pelleting Low-Lysine Diets With Fermentation Products For Weanling Pigs (1991), Joe D. Hancock, Daniel Y.C. Fung, R A. Hart, M T. Manninen

Kansas Agricultural Experiment Station Research Reports

One hundred twenty pigs (13.2 lb avg initial wt) were used in an experiment to determine the effects of pelleting on the ability of fermentation products to improve growth performance of nursery-age pigs fed low-lysine diets. Treatments were: 1) positive control (1.15 and .95% lysine for d 0 to 14 and 14 to 35, respectively); 2) diet 1 pelleted; 3) low-lysine regimen (1.05 and .85% lysine for d 0 to 14 and 14 to 35, respectively) supplemented with fermentation product (FP)l; 4) diet 3 pelleted; 5) low-lysine regimen supplemented with modified fermentation product (MFP)2; and 6) diet 5 pelleted. For …


Severe Flea Infestation In Dairy Calves (1991), Michael W. Dryden, A. B. Broce Jan 1991

Severe Flea Infestation In Dairy Calves (1991), Michael W. Dryden, A. B. Broce

Kansas Agricultural Experiment Station Research Reports

In June 1991, an investigation was conducted of a severe flea infestation in 23 Holstein dairy calves in South Central Kansas. Inspection of the dairy revealed massive numbers of fleas on calves and in the barn where they were housed. Analysis of blood samples from 10 calves revealed that nine of them had mild to severe anemia. A management program was initiated consisting of treatments of calves and premises with insecticide and insect growth regulator and removal of straw bedding from the barn. Inspection of the dairy 9 wk after this complete control program was initiated revealed that fleas were …